Gapp Family History
Gapp Name Meaning
English: from Middle English gappe, Old Norse gap ‘chasm’, ‘breach’, hence a topographic name for someone who lived near a gap in a wall, hedge, or (in Norfolk and Suffolk) cliffs. German: from the personal name Gabo, a short form of Gebolf (see Gebhardt).
Source: Dictionary of American Family Names ©2013, Oxford University Press